Teaching UP PGT Mock Test Series 2024 Mathematics Differential Equations Formation of a Differential Equation
यदि \(xy=1+\log { y }\) और \(k \cdot \frac { dy }{ dx } +{ y }^{ 2 }=0\) है, तो k का मान है
1
\(1+xy\)
2
\(\frac { 1 }{ xy-1 }\)
3
\(xy-1\)
4
\(1-2xy\)